package com.my.cd.interpret;

/**
 * 抽象表达式：符号表达式
 */
public abstract class SymbolExpression extends AbstractExpression {

    protected AbstractExpression left;
    protected AbstractExpression right;

    public SymbolExpression(AbstractExpression _left, AbstractExpression _right) {
        this.left = _left;
        this.right = _right;
    }
}
